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Date:   Tue, 26 Mar 2019 12:53:04 +0100
From:   Paolo Valente <paolo.valente@...aro.org>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block <linux-block@...r.kernel.org>,
        linux-kernel@...r.kernel.org, ulf.hansson@...aro.org,
        linus.walleij@...aro.org, broonie@...nel.org,
        bfq-iosched@...glegroups.com, oleksandr@...alenko.name,
        fra.fra.800@...il.com, alessio.masola@...il.com,
        holger@...lied-asynchrony.com
Subject: Re: [PATCH BUGFIX IMPROVEMENT V3 0/9] lock, bfq: fix bugs, reduce
 exec time and boost performance



> Il giorno 12 mar 2019, alle ore 09:59, Paolo Valente <paolo.valente@...aro.org> ha scritto:
> 
> Hi,
> this is the v3 of the series
> https://lkml.org/lkml/2019/3/10/138
> that fixes some bug affecting performance, reduces execution time a
> little bit, and boosts throughput and responsiveness.
> 
> The difference w.r.t. v2 are new fixes to the patch "block, bfq: print
> SHARED instead of pid for shared queues in logs", after patient checks
> and suggestions by Holger and Oleksandr.
> 

Hi Jens,
have you had time to look into this?

Thanks,
Paolo

> Thanks,
> Paolo
> 
> Francesco Pollicino (2):
>  block, bfq: print SHARED instead of pid for shared queues in logs
>  block, bfq: save & resume weight on a queue merge/split
> 
> Paolo Valente (7):
>  block, bfq: increase idling for weight-raised queues
>  block, bfq: do not idle for lowest-weight queues
>  block, bfq: tune service injection basing on request service times
>  block, bfq: do not merge queues on flash storage with queueing
>  block, bfq: do not tag totally seeky queues as soft rt
>  block, bfq: always protect newly-created queues from existing active
>    queues
>  doc, block, bfq: add information on bfq execution time
> 
> Documentation/block/bfq-iosched.txt |  29 +-
> block/bfq-cgroup.c                  |   3 +-
> block/bfq-iosched.c                 | 786 +++++++++++++++++++++++-----
> block/bfq-iosched.h                 |  92 ++--
> block/bfq-wf2q.c                    |   2 +-
> 5 files changed, 729 insertions(+), 183 deletions(-)
> 
> --
> 2.20.1

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